75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
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#ifndef _NGX_THREAD_H_INCLUDED_
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#define _NGX_THREAD_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#if (NGX_THREADS)
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#if (USE_RFORK)
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#include <sys/ipc.h>
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#include <sys/sem.h>
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#include <sched.h>
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typedef pid_t ngx_tid_t;
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#define TID_T_FMT PID_T_FMT
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#define ngx_log_tid 0
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#undef ngx_log_pid
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#define ngx_log_pid ngx_thread_self()
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#define NGX_MUTEX_LIGHT 1
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#define NGX_MUTEX_CV 2
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#define NGX_MUTEX_LOCK_BUSY 0x80000000
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typedef struct {
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ngx_atomic_t lock;
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ngx_log_t *log;
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int semid;
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} ngx_mutex_t;
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#else /* use pthreads */
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#include <pthread.h>
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typedef pthread_t ngx_tid_t;
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#define ngx_log_tid ngx_thread_self()
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#endif
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ngx_int_t ngx_init_threads(int n, size_t size, ngx_log_t *log);
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int ngx_create_thread(ngx_tid_t *tid, int (*func)(void *arg), void *arg,
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ngx_log_t *log);
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ngx_tid_t ngx_thread_self();
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ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, uint flags);
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void ngx_mutex_done(ngx_mutex_t *m);
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#define ngx_mutex_trylock(m) ngx_mutex_do_lock(m, 1)
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#define ngx_mutex_lock(m) ngx_mutex_do_lock(m, 0)
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ngx_int_t ngx_mutex_do_lock(ngx_mutex_t *m, ngx_int_t try);
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ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m);
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#else /* !NGX_THREADS */
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#define ngx_log_tid 0
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#define TID_T_FMT "%d"
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#define ngx_mutex_lock(m)
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#define ngx_mutex_unlock(m)
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#endif
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#endif /* _NGX_THREAD_H_INCLUDED_ */
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